标题：巴黎（CDG-夏尔戴高乐机场）(CDG)飞往岘港(DAD) $594 起: 巴黎（CDG-夏尔戴高乐机场）往岘港平价机票 | Expedia.com ![](https://images.trvl-media.com/place/974/ae8f3a66-7e92-4227-a360-54dd21eaa3ad.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/974/ae8f3a66-7e92-4227-a360-54dd21eaa3ad.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # 从巴黎（CDG-夏尔戴高乐机场）飞往岘港机票含税$594 起 [查看 2026 年 9 月 17 日（周四）的 $594 航班](https://expedia.com/Flights-Search?trip=oneway&leg1=from:CDG,to:DAD,departure:9/17/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:593.80&airProductToken=AQqkAQowCMWyARICMzIY4jAggD0oyIKYAzDnhZgDOEVAAFgBagZZQkFTSUNyCEVMTjEwSDJSCjEIxbIBEgM4NzAYgD0gxzIo0IaYAzDviZgDOEVAAVgBagZZQkFTSUNyCEVMTjEwSDJSCj0IxbIBEgQ2ODA1GMcyIIMYKOaMmAMw1I2YAzhFQAFYAWoGWUJBU0lDcghFTE4xMEgyUnoJCMiwARIDNTQ4EgoIARABGAEqAkVZGAEiBAgBEAEoAigDKAQwAQ) ## 从戴高乐机场 (CDG)飞往岘港国际机场 (DAD)的热门航空公司 - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_VN.svg) 越南国家航空 [](https://www.expedia.com/Flights-Search?leg1=from:CDG,to:DAD,departure:4/10/2026TANYT&leg2=from:DAD,to:CDG,departure:4/17/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"VN"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_MH.svg) 马来西亚国际航空 [](https://www.expedia.com/Flights-Search?leg1=from:CDG,to:DAD,departure:4/10/2026TANYT&leg2=from:DAD,to:CDG,departure:4/17/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"MH"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_EY.svg) 阿提哈德航空 [](https://www.expedia.com/Flights-Search?leg1=from:CDG,to:DAD,departure:4/10/2026TANYT&leg2=from:DAD,to:CDG,departure:4/17/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"EY"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_CX.svg) 国泰航空 [](https://www.expedia.com/Flights-Search?leg1=from:CDG,to:DAD,departure:4/10/2026TANYT&leg2=from:DAD,to:CDG,departure:4/17/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"CX"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_EK.svg) 阿联酋航空 [](https://www.expedia.com/Flights-Search?leg1=from:CDG,to:DAD,departure:4/10/2026TANYT&leg2=from:DAD,to:CDG,departure:4/17/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"EK"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_SQ.svg) 新加坡航空 [](https://www.expedia.com/Flights-Search?leg1=from:CDG,to:DAD,departure:4/10/2026TANYT&leg2=from:DAD,to:CDG,departure:4/17/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"SQ"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_KE.svg) 大韩航空 [](https://www.expedia.com/Flights-Search?leg1=from:CDG,to:DAD,departure:4/10/2026TANYT&leg2=from:DAD,to:CDG,departure:4/17/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"KE"}}]) - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### 掌握动态 收取机票价格下降或上涨的通知\* - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### 明智之选 预订机票后，加订精选酒店最多可省 30%\* - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### 双重奖励 获得我们的 OneKeyCash 奖励金的同时还能累积航空里程 [了解 One Key 计划](https://www.expedia.com/welcome-one-key) ## 从巴黎（CDG-夏尔戴高乐机场）飞往岘港的廉价机票 以下显示过去 7 天内找到的价格，，指定日期内单程最低 $594，往返最低 $985。价格和供应情况可能会有所变动。可能需遵守其他条款。 所有优惠 单程 往返 ![阿曼航空](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/WY.gif) 9 月 4 日（星期五） - 9 月 13 日（星期日） CDG 巴黎 DAD 岘港 $985 往返 最新报价 2 天前 [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:CDG,to:DAD,departure:9/4/2026TANYT&leg2=from:DAD,to:CDG,departure:9/13/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:984.30&airProductToken=AQqkAQo1CNeyARIDMTMyGOIwIMyYASio9ZYDMMz4lgM4UkAAWAFqCkVDT0NPTUZPUlRyB1JDTTNOTlcKNQjXsgESAzgyMRjMmAEgil0o1f-WAzDvgpcDOFJAAVgBagpFQ09DT01GT1JUcgdSQ00zTk5XCjQIzZABEgM3NDgYil0ggxgo0ISXAzDwhZcDOE9AAVgBagpFQ09DT01GT1JUcgdSQ00zTk5XCqQBCjQIzZABEgM3NDkYgxggil0ojNWXAzC71pcDOE9AAFgBagpFQ09DT01GT1JUcgdSQ00zTk5XCjUI17IBEgM4MjIYil0gzJgBKLrdlwMwz-CXAzhSQAFYAWoKRUNPQ09NRk9SVHIHUkNNM05OVwo1CNeyARIDMTMxGMyYASDiMCjC4ZcDMInllwM4UkABWAFqCkVDT0NPTUZPUlRyB1JDTTNOTlcSCggBEAEYASoCV1kYASIECAEQASgCKAMoBDAB) ![阿曼航空](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/WY.gif) 9 月 4 日（星期五） - 9 月 13 日（星期日） CDG 巴黎 DAD 岘港 $1,033 往返 最新报价 2 天前 [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:CDG,to:DAD,departure:9/4/2026TANYT&leg2=from:DAD,to:CDG,departure:9/13/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1032.30&airProductToken=AQqwAQo1CNeyARIDMTMyGOIwIMyYASio9ZYDMMz4lgM4T0AAWAFqCkVDT0NPTUZPUlRyB09DTTNOTlcKNQjXsgESAzgyMRjMmAEgil0o1f-WAzDvgpcDOE9AAVgBagpFQ09DT01GT1JUcgdPQ00zTk5XCkAI17IBEgQ1NTYwGIpdIIMYKNCElwMw8IWXAzhPQAFYAWoKRUNPQ09NRk9SVHIHT0NNM05OV3oJCM2QARIDNzQ4CqQBCjQIzZABEgM3NDkYgxggil0ojNWXAzC71pcDOE9AAFgBagpFQ09DT01GT1JUcgdSQ00zTk5XCjUI17IBEgM4MjIYil0gzJgBKLrdlwMwz-CXAzhSQAFYAWoKRUNPQ09NRk9SVHIHUkNNM05OVwo1CNeyARIDMTMxGMyYASDiMCjC4ZcDMInllwM4UkABWAFqCkVDT0NPTUZPUlRyB1JDTTNOTlcSCggBEAEYASoCV1kYASIECAEQASgCKAMoBDAB) ![阿提哈德航空](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/EY.GIF) 6 月 12 日（星期五） - 6 月 26 日（星期五） CDG 巴黎 DAD 岘港 $1,044 往返 最新报价 2 天前 [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:CDG,to:DAD,departure:6/12/2026TANYT&leg2=from:DAD,to:CDG,departure:6/26/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1043.10&airProductToken=AQqkAQowCMWyARICMzIY4jAggD0oqL-PAzDHwo8DOEVAAFgBagZZQkFTSUNyCEVMTjJESDJLCjEIxbIBEgM4NzAYgD0gxzIosMOPAzDPxo8DOEVAAVgBagZZQkFTSUNyCEVMTjJESDJLCj0IxbIBEgQ2ODA1GMcyIIMYKMbJjwMwtMqPAzhFQAFYAWoGWUJBU0lDcghFTE4yREgyS3oJCMiwARIDNTQ4CqQBCj0IxbIBEgQ1NjA2GIMYIIpdKL7bkAMw6NyQAzhFQABYAWoGWUJBU0lDcghFTE4yREgyS3oJCM-IARIDNTAzCjEIxbIBEgM0ODcYil0ggD0oo9-QAzDC4pADOEVAAVgBagZZQkFTSUNyCEVMTjJESDJLCjAIxbIBEgIzMxiAPSDiMCjs6JADMJrskAM4RUABWAFqBllCQVNJQ3IIRUxOMkRIMksSCggBEAEYASoCRVkYASIECAEQASgCKAMoBDAB) ![阿提哈德航空](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/EY.GIF) 9 月 9 日（星期三） - 9 月 18 日（星期五） CDG 巴黎 DAD 岘港 $1,050 往返 最新报价 5 天前 [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:CDG,to:DAD,departure:9/9/2026TANYT&leg2=from:DAD,to:CDG,departure:9/18/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1049.50&airProductToken=AQqkAQowCMWyARICMzIY4jAggD0oyKiXAzDnq5cDOEVAAFgBagZZQkFTSUNyCEVMTjEwSDJSCjEIxbIBEgM4NzAYgD0gxzIo0KyXAzDvr5cDOEVAAVgBagZZQkFTSUNyCEVMTjEwSDJSCj0IxbIBEgQ2ODA1GMcyIIMYKOaylwMw1LOXAzhFQAFYAWoGWUJBU0lDcghFTE4xMEgyUnoJCMiwARIDNTQ4EgoIARABGAEqAkVZGAEiBAgBEAEoAigDKAQwAQ) ![新加坡航空](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/SQ.gif) 9 月 4 日（星期五） - 9 月 13 日（星期日） CDG 巴黎 DAD 岘港 $1,052 往返 最新报价 2 天前 [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:CDG,to:DAD,departure:9/4/2026TANYT&leg2=from:DAD,to:CDG,departure:9/13/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1052.00&airProductToken=AQpmCjEI06IBEgMzMzcY4jAgkmoo8_WWAzCE_JYDOEtAAFgBagVGRjUxTHIJSzE2RlJSTFBPCjEI06IBEgMxNzQYkmoggxgoyIWXAzD3hpcDOEtAAVgBagVGRjUxTHIJSzE2RlJSTFBPCmYKMQjTogESAzE3MRiDGCCSaijn05cDMJvVlwM4S0AAWAFqBUZGNTFMcglLMTZGUlJMUE8KMQjTogESAzMzOBiSaiDiMCiv35cDMOPllwM4S0ABWAFqBUZGNTFMcglLMTZGUlJMUE8SCggCEAEYASoCU1EYASIECAEQASgCKAMoBDAP) ![新加坡航空](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/SQ.gif) 8 月 27 日（星期四） - 10 月 26 日（星期一） CDG 巴黎 DAD 岘港 $1,054 往返 最新报价 1 天前 [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:CDG,to:DAD,departure:8/27/2026TANYT&leg2=from:DAD,to:CDG,departure:10/26/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1053.30&airProductToken=AQpmCjEI06IBEgMzMzUY4jAgkmoot5aWAzDNnJYDOEtAAFgBagVGRjUxTHIJSzE2RlJSTFBPCjEI06IBEgMxNzQYkmoggxgoqKCWAzDXoZYDOEtAAVgBagVGRjUxTHIJSzE2RlJSTFBPCmYKMQjTogESAzE3MRiDGCCSaijCt5sDMPa4mwM4S0AAWAFqBUZGNTFMcglLMTZGUlJMUE8KMQjTogESAzMzOBiSaiDiMCiow5sDMPDJmwM4S0ABWAFqBUZGNTFMcglLMTZGUlJMUE8SCggCEAEYASoCU1EYASIECAEQASgCKAMoBDAP) ![阿提哈德航空](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/EY.GIF) 6 月 12 日（星期五） - 6 月 26 日（星期五） CDG 巴黎 DAD 岘港 $1,061 往返 最新报价 2 天前 [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:CDG,to:DAD,departure:6/12/2026TANYT&leg2=from:DAD,to:CDG,departure:6/26/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1060.10&airProductToken=AQqkAQowCMWyARICMzIY4jAggD0oqL-PAzDHwo8DOEVAAFgBagZZVkFMVUVyCEVMTjJEVjJLCjEIxbIBEgM4NzAYgD0gxzIosMOPAzDPxo8DOEVAAVgBagZZVkFMVUVyCEVMTjJEVjJLCj0IxbIBEgQ2ODA1GMcyIIMYKMbJjwMwtMqPAzhFQAFYAWoGWVZBTFVFcghFTE4yRFYyS3oJCMiwARIDNTQ4CqQBCj0IxbIBEgQ1NjA2GIMYIIpdKL7bkAMw6NyQAzhFQABYAWoGWVZBTFVFcghFTE4yRFYyS3oJCM-IARIDNTAzCjEIxbIBEgM0ODcYil0ggD0oo9-QAzDC4pADOEVAAVgBagZZVkFMVUVyCEVMTjJEVjJLCjAIxbIBEgIzMxiAPSDiMCjs6JADMJrskAM4RUABWAFqBllWQUxVRXIIRUxOMkRWMksSCggBEAEYASoCRVkYASIECAEQASgCKAMoBDAB) ![新加坡航空](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/SQ.gif) 9 月 9 日（星期三） - 9 月 18 日（星期五） CDG 巴黎 DAD 岘港 $1,086 往返 最新报价 5 天前 [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:CDG,to:DAD,departure:9/9/2026TANYT&leg2=from:DAD,to:CDG,departure:9/18/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1085.50&airProductToken=AQpmCjEI06IBEgMzMzUY4jAgkmoo16iXAzDtrpcDOEtAAFgBagVGRjUxTHIJSzE2RlJSTFBPCjEI06IBEgMxNzIYkmoggxgoy7uXAzD1vJcDOEtAAVgBagVGRjUxTHIJSzE2RlJSTFBPCmYKMQjTogESAzE3MxiDGCCSaiipjpgDMNiPmAM4S0AAWAFqBUZGNTFMcglLMTZGUlJMUE8KMQjTogESAzMzOBiSaiDiMCjPl5gDMIOemAM4S0ABWAFqBUZGNTFMcglLMTZGUlJMUE8SCggCEAEYASoCU1EYASIECAEQASgCKAMoBDAP) ![瑞士国际航空](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/LX.gif) 9 月 9 日（星期三） - 9 月 18 日（星期五） CDG 巴黎 DAD 岘港 $1,103 往返 最新报价 5 天前 [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:CDG,to:DAD,departure:9/9/2026TANYT&leg2=from:DAD,to:CDG,departure:9/18/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1102.30&airProductToken=AQqfAQozCMywARIDNjQ1GOIwILk8KOSslwMwtK2XAzhLQABYAWoIRUNPU0FWRVJyCEtYVlhKWU5DCjMIzLABEgMxMzgYuTwgxzIojq6XAzDjs5cDOEtAAVgBaghFQ09TQVZFUnIIS1hWWEpZTkMKMwjIsAESAzU0OBjHMiCDGCiGvpcDMPS-lwM4VkABWAFqCEVDT1NBVkVScghLWFZYSllOQwqqAQozCMWWARIDMzcxGIMYIMFSKL6RmAMwopKYAzhWQABYAWoIRUNPU0FWRVJyCFRYVlhKWU5DCjMIzLABEgMxODEYwVIguTwoz5eYAzCfnZgDOFRAAVgBaghFQ09TQVZFUnIIVFhWWEpZTkMKPgjMsAESAzY0Nhi5PCDiMCi1npgDMIqfmAM4VEABWAFqCEVDT1NBVkVScghUWFZYSllOQ3oJCMKoARIDNjQ2EgoIARABGAEqAkxYGAEiBAgBEAEoAigDKAQwAQ) ![汉莎航空](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/LH.gif) 9 月 9 日（星期三） - 9 月 18 日（星期五） CDG 巴黎 DAD 岘港 $1,107 往返 最新报价 5 天前 [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:CDG,to:DAD,departure:9/9/2026TANYT&leg2=from:DAD,to:CDG,departure:9/18/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1106.70&airProductToken=AQqgAQo0CMyQARIEMTA0MRjiMCClBCitrJcDMPislwM4S0AAWAFqCEVDT1NBVkVScghLWFZYSllOQwozCMyQARIDNzk2GKUEIMcyKNytlwMwmLOXAzhLQAFYAWoIRUNPU0FWRVJyCEtYVlhKWU5DCjMIyLABEgM1NDgYxzIggxgohr6XAzD0vpcDOFZAAVgBaghFQ09TQVZFUnIIS1hWWEpZTkMKqgEKMwjFlgESAzM3MRiDGCDBUii-kZgDMKKSmAM4VkAAWAFqCEVDT1NBVkVScghUWFZYSllOQwozCMywARIDMTgxGMFSILk8KM-XmAMwn52YAzhUQAFYAWoIRUNPU0FWRVJyCFRYVlhKWU5DCj4IzLABEgM2NDYYuTwg4jAotZ6YAzCKn5gDOFRAAVgBaghFQ09TQVZFUnIIVFhWWEpZTkN6CQjCqAESAzY0NhIKCAEQARgBKgJMSBgBIgQIARABKAIoAygEMAE) ## 常见问题 ### 从巴黎（CDG-夏尔戴高乐机场）飞往岘港国际机场的机票价格是多少？ ### 如果要取消从 CDG 飞往 DAD 的航班，需要支付取消费用吗？ ### 如果要从巴黎（CDG-夏尔戴高乐机场）飞往岘港国际机场，我该如何找到有灵活变更政策的便宜机票？ ### 从巴黎（CDG-夏尔戴高乐机场）到岘港国际机场的飞行距离是多少？ ### 有哪些航空公司提供从巴黎(CDG-戴高乐机场) 直飞岘港 (DAD-岘港国际机场) 的航班？ ### 如果等到最后一刻才预订巴黎（CDG-夏尔戴高乐机场）到岘港国际机场的机票，是不是会比较便宜？ ### 我现在可以搭乘从巴黎(CDG-戴高乐机场) 飞往岘港 (DAD-岘港国际机场) 的航班吗？ ## 旅行信息 | 出发机场 | 巴黎（CDG-夏尔戴高乐机场） | | --------- | ----------------------------------------------------------------------------------- | | 到达机场 | 岘港国际机场 | | 提供航班的航空公司 | 中华航空, 卡塔尔航空, 国泰航空, 大韩航空, 新加坡航空, 汉莎航空, 瑞士国际航空, 越南国家航空, 长荣航空, 阿提哈德航空, 阿联酋航空, 马来西亚国际航空 | | 往返票价 | $984 | | 距离 | 6064 mi | ## 放心预订 # 巴黎飞往岘港的航班 立即访问 Expedia 网站，预订特惠机票。Expedia.com 为旅客提供各国特价优惠机票，让您轻松展开本次旅程。 预先为假期做好准备，立即搜索由巴黎飞往岘港的平价机票套餐。在 Expedia.com 订机票非常简单，只要简单几个步骤即可确认座位，用手机预订快捷又方便！ 最优惠的岘港机票！我们的客服人员将非常乐意回答您有关巴黎 (CDG)飞往岘港 (DAD)航班的任何问题。立即致电热线 3077-4857 查询（24小时英文热线）。 立即自由配搭旅游套餐行程，以最低价飞往岘港！想找一些有关于岘港的旅游资讯和岘港必到的景点？Expedia.com 同样能帮到您。 \* 适用于 Expedia 会员。